16207940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{115771}}^1$

素因数の和:115787

約数の個数: 24

約数和(自身を含む): 38899392

約数和(自身を除く): 22691452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 115771, 231542, 463084, 578855, 810397, 1157710, 1620794, 2315420, 3241588, 4051985, 8103970, 16207940]

約数ペア:

[(1, 16207940), (2, 8103970), (4, 4051985), (5, 3241588), (7, 2315420), (10, 1620794), (14, 1157710), (20, 810397), (28, 578855), (35, 463084), (70, 231542), (140, 115771)]